mirror of https://github.com/ethereum/go-ethereum
cmd/devp2p/internal/ethtest: improve eth test suite (#21615)
This fixes issues with the protocol handshake and status exchange and adds support for responding to GetBlockHeaders requests.pull/21673/head
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// Copyright 2020 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package ethtest |
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import ( |
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"path/filepath" |
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"strconv" |
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"testing" |
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"github.com/ethereum/go-ethereum/p2p" |
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"github.com/stretchr/testify/assert" |
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) |
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// TestEthProtocolNegotiation tests whether the test suite
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// can negotiate the highest eth protocol in a status message exchange
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func TestEthProtocolNegotiation(t *testing.T) { |
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var tests = []struct { |
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conn *Conn |
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caps []p2p.Cap |
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expected uint32 |
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}{ |
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{ |
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conn: &Conn{}, |
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caps: []p2p.Cap{ |
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{Name: "eth", Version: 63}, |
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{Name: "eth", Version: 64}, |
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{Name: "eth", Version: 65}, |
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}, |
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expected: uint32(65), |
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}, |
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{ |
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conn: &Conn{}, |
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caps: []p2p.Cap{ |
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{Name: "eth", Version: 0}, |
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{Name: "eth", Version: 89}, |
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{Name: "eth", Version: 65}, |
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}, |
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expected: uint32(65), |
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}, |
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{ |
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conn: &Conn{}, |
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caps: []p2p.Cap{ |
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{Name: "eth", Version: 63}, |
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{Name: "eth", Version: 64}, |
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{Name: "wrongProto", Version: 65}, |
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}, |
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expected: uint32(64), |
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}, |
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} |
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for i, tt := range tests { |
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t.Run(strconv.Itoa(i), func(t *testing.T) { |
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tt.conn.negotiateEthProtocol(tt.caps) |
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assert.Equal(t, tt.expected, uint32(tt.conn.ethProtocolVersion)) |
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}) |
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} |
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} |
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// TestChain_GetHeaders tests whether the test suite can correctly
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// respond to a GetBlockHeaders request from a node.
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func TestChain_GetHeaders(t *testing.T) { |
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chainFile, err := filepath.Abs("./testdata/chain.rlp.gz") |
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if err != nil { |
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t.Fatal(err) |
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} |
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genesisFile, err := filepath.Abs("./testdata/genesis.json") |
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if err != nil { |
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t.Fatal(err) |
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} |
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chain, err := loadChain(chainFile, genesisFile) |
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if err != nil { |
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t.Fatal(err) |
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} |
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var tests = []struct { |
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req GetBlockHeaders |
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expected BlockHeaders |
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}{ |
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{ |
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req: GetBlockHeaders{ |
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Origin: hashOrNumber{ |
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Number: uint64(2), |
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}, |
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Amount: uint64(5), |
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Skip: 1, |
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Reverse: false, |
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}, |
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expected: BlockHeaders{ |
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chain.blocks[2].Header(), |
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chain.blocks[4].Header(), |
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chain.blocks[6].Header(), |
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chain.blocks[8].Header(), |
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chain.blocks[10].Header(), |
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}, |
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}, |
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{ |
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req: GetBlockHeaders{ |
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Origin: hashOrNumber{ |
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Number: uint64(chain.Len() - 1), |
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}, |
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Amount: uint64(3), |
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Skip: 0, |
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Reverse: true, |
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}, |
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expected: BlockHeaders{ |
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chain.blocks[chain.Len()-1].Header(), |
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chain.blocks[chain.Len()-2].Header(), |
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chain.blocks[chain.Len()-3].Header(), |
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}, |
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}, |
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{ |
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req: GetBlockHeaders{ |
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Origin: hashOrNumber{ |
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Hash: chain.Head().Hash(), |
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}, |
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Amount: uint64(1), |
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Skip: 0, |
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Reverse: false, |
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}, |
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expected: BlockHeaders{ |
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chain.Head().Header(), |
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}, |
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}, |
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} |
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for i, tt := range tests { |
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t.Run(strconv.Itoa(i), func(t *testing.T) { |
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headers, err := chain.GetHeaders(tt.req) |
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if err != nil { |
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t.Fatal(err) |
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} |
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assert.Equal(t, headers, tt.expected) |
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}) |
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} |
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} |
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@ -0,0 +1,26 @@ |
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{ |
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"config": { |
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"chainId": 1, |
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"homesteadBlock": 0, |
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"eip150Block": 0, |
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"eip155Block": 0, |
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"eip158Block": 0, |
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"byzantiumBlock": 0, |
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"ethash": {} |
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}, |
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"nonce": "0xdeadbeefdeadbeef", |
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"timestamp": "0x0", |
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"extraData": "0x0000000000000000000000000000000000000000000000000000000000000000", |
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"gasLimit": "0x8000000", |
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"difficulty": "0x10", |
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"mixHash": "0x0000000000000000000000000000000000000000000000000000000000000000", |
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"coinbase": "0x0000000000000000000000000000000000000000", |
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"alloc": { |
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"71562b71999873db5b286df957af199ec94617f7": { |
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"balance": "0xf4240" |
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} |
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}, |
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"number": "0x0", |
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"gasUsed": "0x0", |
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"parentHash": "0x0000000000000000000000000000000000000000000000000000000000000000" |
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} |
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